Here’s some great advice from Skipper Tips about how to use ranges to cruise safely: You enter an unfamiliar channel late in the afternoon. You scan your chart plotter or nautical chart to check for dangers to the left, or to the right. Rocky shoals lie close to the channel edges on each side. Be on the lookout for one of the sailor’s best friends – channel ranges (also called transits). These markers will lead you down the center of a narrow channel in safety, keep your sailboat in deep water, and help you navigate with confidence, day or night.…